cccc cccs cccu ccss ccst cctc cctt ccuc ccus ccut ckck ckcs ckcy ckst ckts ckty cscc cscs csks cstc csts csus csys ctsc ctss ctsu ctts cucc cuck cuk- cusk cuss cust cusu cusy cut- cutc cuts cutt cuy- cyc- cycc cycs cyst cyt- cyy- cyyc kccc kcck kcct kccu kccy kckc kckk kcky kcsc kcss kcst kcsu kcsy kctc kctu kcty kcuk kcyk kcys kcyt kcyy kkck kkcs kkct kkcy kkkk kkss kkst kksu kktc kktk kkts kktu kkty kkus kkut kkuu kkyc kkys kkyy ksck kscs kscu kscy kskk ksks ksku ksky ksss ksst kssu kstc kstk ksts kstt kstu ksty ksut ksuu ksyc ksyy ktcc ktck ktcs ktcy ktkc ktkk ktks ktkt ktku ktsc ktst ktsu ktsy kttc kttk ktts kttt kttu ktty ktuc kucc kukk kuks kuku kuky kusc kust kusu kuts kutt kutu kuty kuuk kuuu kuyu kuyy kycc kyck kycs kyct kykc kykk kyks kyky kysc kysk kyst kytc kyts kytt kyty kyuk kyus kyuu kyyk kyys kyyt kyyy sccc sccs scct sccy sck- scsc scst scsu sctc scts scut skss skut sky- skys skyy sscc sscs sssc ssss sstc ssts stcc stcs stcu stks stss sttc stuc stuk stus stut stuy styk stys suc- succ suck sucs suks suku suky sus- susk suss sust susu susy sutu suty suus suyu syck syss syst sytt syyk tccc tccu tctc tcts tkts tscc tsks tsst tstc tsts tsys ttss tttt ttys tucc tuck tuks tusc tusk tuss tust tuts tutt tutu tuty tuys tyck tyss tyst tytt tyty tyus ucky ucsc ucst ucsu ucut ukcc ukky uksc us-k uscc uscs ussc usss usst ussu ussy ustc usts usus utsc uttu uuuu uyts yccc yctc yksc ykut ykyt yssu ytky yuck yuks yuku yuky yust yutu yuty yuyu yyyy